Question 8355
Think about this!  You are looking for dollars per square yard, or $/sq.yd. That's dollars per (divided by) sq. yds.

So, you have $450 and you need need 30 sq. yds. Then $/sq.yd = $450/30sq.yds.

So, {{{450/30 = 15}}}

You can spend $15.00 per sq.yd.